2-He- 3

  2-HE-  3 JAERI      EVAL-JUN87 K.SHIBATA                        
 JAERI-M 90-024       DIST-SEP89 REV2-JAN94                       
----JENDL-3.2         MATERIAL  225                               
-----INCIDENT NEUTRON DATA                                        
------ENDF-6 FORMAT                                               
HISTORY                                                           
87-06  NEWLY EVALUATED BY K.SHIBATA                               
94-01  MODIFIED BY K.SHIBATA FOR JENDL-3.2                        
****  MODIFIED PARTS FOR JENDL-3.2  *************************     
(3,102),(12,102),(14,102)   ADDED                                 
(3,3)                       CALCULATED                            
(3,1)                       SUM OF PARTIAL CROSS SECTIONS         
*************************************************************     
MF=1         GENERAL INFORMATION                                  
  MT=451   DESCRIPTIVE DATA                                       
                                                                  
MF=2         RESONANCE PARAMETERS                                 
  MT=151   SCATTERING RADIUS ONLY                                 
                                                                  
MF=3         NEUTRON CROSS SECTIONS                               
       CALCULATED 2200M/S CROSS SECTIONS AND RES. INTEGRALS       
               2200M/S (B)      RES.INTEG (B)                     
     TOTAL     5331.1              -                              
     ELASTIC   3.135               -                              
     CAPTURE   5.401E-5          2.4691E-4                        
     (N,P)     5328.0              -                              
                                                                  
  MT=1     TOTAL                                                  
        BELOW 1 MEV, THE EXPERIMENTAL DATA /1/ WERE ANALYZED USING
        THE R-MATRIX THEORY.                                      
        ABOVE 1 MEV, BASED ON EXPERIMENTAL DATA /2-4/.            
  MT=2     ELASTIC                                                
        BELOW 1 MEV, THE EXPERIMENTAL DATA /1/ WERE ANALYZED USING
        THE R-MATRIX THEORY.                                      
        ABOVE 1 MEV, (ELASTIC) = (TOTAL) - (NON ELASTIC)          
  MT=3     NON-ELASTIC                                            
        SUM OF (3,102), (3,103) AND (3,104)                       
  MT=102   CAPTURE                                                
        S- AND P-WAVE CAPTURE, BASED ON EXPERIMENTAL DATA /5,6,7/.
  MT=103   (N,P)                                                  
        BELOW 1 MEV, THE EXPERIMENTAL DATA /8/ WERE ANALYZED USING
        THE R-MATRIX THEORY.                                      
        ABOVE 1 MEV, BASED ON EXPERIMENTAL DATA /9,10/.           
  MT=104   (N,D)                                                  
        EVALUATION WAS PERFORMED ON THE BASIS OF EXPERIMENTAL     
        DATA /9,10/.                                              
  MT=251   MU-BAR                                                 
        CALCULATED FROM THE DATA IN FILE-4.                       
                                                                  
MF=4         ANGULAR DISTRIBUTIONS OF SECONDARY NEUTRONS          
  MT=2     ELASTIC                                                
        BASED ON THE FOLLOWING EXPERIMENTAL DATA:                 
          1.0E-5 EV TO 500 KEV : ISOTROPIC IN C.M.                
          1.0, 2.0, 3.5 MEV    : SEAGRAVE ET AL. /11/             
          5 TO 20 MEV          : HAESNER /9/                      
                                                                  
MF=12        PHOTON PRODUCTION MULTIPLICITY                       
  MT=102   CAPTURE                                                
        M=1.0 FOR THE TRANSITION TO G.S OF HE-4.                  
                                                                  
MF=14        PHOTON ANGULAR DISTRIBUTION                          
  MT=102   CAPTURE                                                
        ASSUMED TO BE ISOTROPIC.                                  
                                                                  
REFERENCES                                                        
 1) ALFIMENKOV V.P. ET AL.: YAD. FIZ., 33, 891 (1981), TRANSLATION
    SOV. J. NUCL. PHYS., 33, 467 (1981).                          
 2) LOS ALAMOS PHYSICS AND CRYOGENICS GROUPS: NUCL. PHYS., 12,    
    291 (1959).                                                   
 3) GOULDING C.A. ET AL.: NUCL. PHYS., A215, 253 (1973).          
 4) HAESNER B. ET AL.: PHYS. REV., C28, 995 (1983).               
 5) WOLFS F.L.H. ET AL.: PHYS. REV. LETT., 63, 2721 (1989).       
 6) WELVELMAN R. ET AL.: NUCL. SCI. ENG., 102, 428 (1989).        
 7) WARD L. ET AL.: PHYS. REV., C24, 317 (1981).                  
 8) BORZAKOV S.B. ET AL.: YAD. FIZ., 35, 532 (1982), TRANSLATION  
    SOV. J. NUCL. PHYS., 35, 307 (1982).                          
 9) HAESNER B.: KFK-3395 (1982).                                  
10) DROSG M.: DEDUCED FROM INVERSE REACTION, LA-7269-MS (1978).   
11) SEAGRAVE J.D. ET AL.: PHYS. REV., 119, 1981 (1961).